On Thursday, Apple released OS X 10.8.5 Supplemental Update 1.0. The update, an 831 megabyte download (for the combo updater) adds the following fixes and changes:
– Resolves an issue that may prevent certain applications from using the FaceTime HD camera on mid-2013 MacBook Air systems.

– Fixes an issues that may cause external drives to be ejected after the computers goes to sleep.

– Addresses an issue that may prevent HDMI audio from working after waking from sleep.

– Fixes an issue that may prevent certain USB Bluetooth adapters from working.